CN206834643U - 110 kilovolts of outdoor cable terminal explosion injury people's protectors - Google Patents
110 kilovolts of outdoor cable terminal explosion injury people's protectors Download PDFInfo
- Publication number
- CN206834643U CN206834643U CN201720597149.1U CN201720597149U CN206834643U CN 206834643 U CN206834643 U CN 206834643U CN 201720597149 U CN201720597149 U CN 201720597149U CN 206834643 U CN206834643 U CN 206834643U
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- Prior art keywords
- cable termination
- burst
- burst panel
- cable
- panel
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- 230000001012 protector Effects 0.000 title claims abstract description 14
- 208000013883 Blast injury Diseases 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 230000009466 transformation Effects 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 abstract 1
- 238000004880 explosion Methods 0.000 description 11
- 229910052573 porcelain Inorganic materials 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 239000012634 fragment Substances 0.000 description 4
- 230000009172 bursting Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000004425 Makrolon Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses a kind of 110 kilovolts of outdoor cable terminal explosion injury people's protectors, it includes three burst panels made of PC materials, three burst panel enclosings are in cable termination close to three faces in outside, three burst panels are stitched together in 90 ° of angles successively and each burst panel and the beeline of cable termination are 300mm, the height of each burst panel is 800mm, the height that wherein burst panel is located at more than cable termination platform is 500mm, height below cable termination platform is 300mm, and the thickness of each burst panel is 8mm.Pass through the transformation to burst panel, with reference to the physical dimension of cable termination platform, protector and cable termination platform angle steel fasten connecing, this high-strength, insulation and efficient, the convenient, burst panel that is easily installed can by cable termination sheath under conditions of operation is not influenceed with surrounding environment physical isolation, so as to reach the purpose of protection.
Description
Technical field
Power cable equipment and cable operation management field are the utility model is related to, especially a kind of 110 kilovolts of electrical outdoors
Cable terminal explosion injury people's protector.
Background technology
In recent years, go deep into regionl development construction, a large amount of cable termination towers in situ in wilderness field change adult
The relative compact district even densely populated place area of member's activity.Formed during 110 kv cable porcelain bushing type outdoor terminal failure breakdown and explosion
Enormous impact force entrained by fragment serious threat near personnel and equipment safety.Therefore, Tianjin Power Company
Intend that the porcelain bushing type outdoor terminal for having personnel zone of action progressively is transformed into combined type outdoor terminal by technological transformation.2017
This work has started to implement, but because by fund, power failure, difficulty of construction be big etc., factor is influenceed, this technological transformation is operated in very long
It all will be unable to complete comprehensively in a period of time.Through statistics, sea front possesses porcelain bushing type outdoor terminal more than 150 and located at present, and 2017
Yearly plan arrangement is changed at only 6.Therefore, will not to be made when ensuring 110 kv cable porcelain bushing type outdoor terminal failure breakdown and explosion
Into personal security, equipment property loss, it is badly in need of developing a kind of cable termination explosion injury people's protector.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of 110 kilovolts of outdoor cable ends that can improve security
Hold explosion injury people's protector.
In order to solve the above-mentioned technical problem, the utility model includes three burst panels made of PC materials, and three anti-
Quick-fried baffle plate enclosing is stitched together and each prevented in 90 ° of angles successively close to three faces in outside, three burst panels in cable termination
The beeline of quick-fried baffle plate and cable termination is 300mm, and the height of each burst panel is 800mm, and wherein burst panel is located at
Height more than cable termination platform is 500mm, and the height below cable termination platform is 300mm, each burst panel
Thickness be 8mm.
Three burst panels are bolted on the I-steel of cable platform.
The beneficial effects of the utility model are：By carrying out Deepen Design transformation to burst panel, negative effect, knot are eliminated
Close cable termination platform physical dimension, protector and cable termination platform angle steel fasten connecing, it is this it is high-strength, insulate and
Efficiently, convenient, the composite anti-explosion baffle plate that is easily installed can by cable termination sheath under conditions of operation is not influenceed with around
Environmental physicses completely cut off, so as to reach the purpose of protection.
Brief description of the drawings
Fig. 1 is the structural representation of 110 kilovolts of outdoor cable terminal explosion injury people's protectors of the utility model.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description：
Referring to Fig. 1,110 kilovolts of outdoor cables terminal explosion injury people protector of the present utility model includes three by PC materials
Burst panel 1 made of material, three enclosings of burst panel 1 are in cable termination close to three faces in outside, and three burst panels 1 are successively
It is stitched together in 90 ° of angles and each burst panel 1 and the beeline of cable termination is 300mm, the height of each burst panel 1
Spend for 800mm, the height that wherein burst panel 1 is located at more than cable termination platform is 500mm, below cable termination platform
Height be 300mm, the thickness of each burst panel 1 is 8mm.Three burst panels 1 are bolted on cable termination and put down
On the I-steel 2 of platform.
According to knowhow and accident analysis, 110kV porcelain shell for cable terminal faults are mainly at cable termination stress cone, though
The specific size of Ran Ge producers is different, but the position of stress cone is relatively fixed, and through matching measurement, stress cone is away from cable termination base
(i.e. cable termination platform) about 170mm, it is contemplated that the different threshold doseag of model, the position that we are occurred are scheduled away from 150mm extremely
Between 200mm.
Pass through on-site collection and experimental simulation, it has been found that can be split into 50mm*50mm as insulator terminal is latter in blast
To the fragment to be differed in size between 250mm*250mm, 2000g is no more than when most heavy.According to scene and simulated experiment, we are simultaneously
The maximal rate for having estimated explosion time fragment next is 19.3m/s.
It is contemplated that terminal blast is point type explosive characteristic in theory, i.e., fragment is outwards in spherical from explosion center
Scattering, is characterized as that model is checked and tested with this, and we draw, the maximum magnitude that may be hurted sb.'s feelings after blast is blast angle
45 °, and terminal explosion time is likely to cause three faces that personnel hit the only close outside of injury.
Based on the installation of bursting diaphragm for convenience simultaneously of the scope of damage and angle that draw, we are by the profile of protector
The shape of three face rectangle anti-explosion plates, 90 ° of angle splicings is designed as, to ensure that anti-explosion plate does not influence cable termination normal operation.
Anti-explosion plate should be arranged at cable termination 300mm, therefore, according to cable termination and the distance of anti-explosion plate, with reference to quick-fried
The angle of fried scope, every panel ability specification that we calculate and designed is 800mm*600m, wherein more than cable platform
500mm, following 300mm.Such design also ensure that in scope of damage that blast is broken while cable normal operation is ensured
Piece can not fly out and hurt sb.'s feelings.
In order to allow explosion-protection equipment to adapt to the use of cable platform used, we will be anti-using the engineering process of bolt
Quick-fried device is fixed on the I-steel of platform.
By the screening and experiment of lot of materials, we are finally decided using pc (makrolon), this insulation resistance
Can be good, without interference with cable normal operation while protection；Material body water white transparency, also without interference with staff's day
Often maked an inspection tour and detected work；It and mechanical performance is high, strong shock resistance, perfect can meet explosion-proof function, be to make
The explosion-proof optimal material of protective plate, it is final we determined that ensureing the most economical thickness of bursting diaphragm protecting against shock performance by calculating
Spend for 8mm.
At present, the expense budget of 110 kilovolts of porcelain bushing type outdoor terminals is 22.3 ten thousand yuan (not including external coordination at technological transformation 1
Reparation, the pre-buried circle deficiency of cable need to add the expense of transition joint, in case of this special circumstances expense need to increase by ten thousand yuan of 5-10), construction
Need line outage 2-3 days, there is the external force damage risk for causing cable body in work progress.The protector cost can be controlled
Make in ten thousand yuan of 5-6, without line outage, construction and installation are convenient, efficient, can realize 110 kilovolts of porcelain bushing type families in a short time
Comprehensive improvement of personal security and equipment property loss hidden danger caused by outer terminal breakdown and explosion.Only with regard to coastal region according to 150
Place, 160,000 yuan of calculating of often place's saving, technical cost can directly save 24,000,000 yuan.The smooth development of the project and push away
Extensively, technological transformation expense can be directly saved in the range of Tianjin Power Company and surpasses 100,000,000 yuan, at the same time, 110 kilovolts of porcelain bushing type open airs
The potential safety hazard that terminal breakdown and explosion is hurted sb.'s feelings can effectively be administered within the relatively short time.
In summary, content of the present utility model is not limited in the above embodiments, and those skilled in the art can
To propose other embodiments within technological guidance's thought of the present utility model, but these embodiments are included in this practicality newly
Within the scope of type.
Claims (2)
- A kind of 1. 110 kilovolts of outdoor cable terminal explosion injury people's protectors, it is characterised in that：It is made up including three of PC materials Burst panel (1), three burst panel (1) enclosings are in cable termination close to three faces in outside, and three burst panels (1) are successively It is stitched together in 90 ° of angles and each burst panel (1) and the beeline of cable termination is 300mm, each burst panel (1) Height be 800mm, the height that wherein burst panel (1) is located at more than cable termination platform is 500mm, is put down positioned at cable termination Height below platform is 300mm, and the thickness of each burst panel (1) is 8mm.
- 2. according to 110 kilovolts of outdoor cable terminal explosion injury people's protectors described in claim 1, it is characterised in that：Three Burst panel (1) is bolted on the I-steel (2) of cable termination platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720597149.1U CN206834643U (en) | 2017-05-26 | 2017-05-26 | 110 kilovolts of outdoor cable terminal explosion injury people's protectors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720597149.1U CN206834643U (en) | 2017-05-26 | 2017-05-26 | 110 kilovolts of outdoor cable terminal explosion injury people's protectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206834643U true CN206834643U (en) | 2018-01-02 |
Family
ID=60773642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720597149.1U Active CN206834643U (en) | 2017-05-26 | 2017-05-26 | 110 kilovolts of outdoor cable terminal explosion injury people's protectors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206834643U (en) |
-
2017
- 2017-05-26 CN CN201720597149.1U patent/CN206834643U/en active Active
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